A．food   B．save   C．important    D．under   E．lying    F．anythingG．it     H．fire    I．because of    J．back    K．waste    L．refused

Some years ago，a big fire burned down alargepart of a city．Lots of houses were broken．A rich lady was hurrying throgh the crowd of people，trying to （51） 　　a box of valuable things from the fire．After running out of the （52） 　　，she met a little boy in the street．She called him and said，"Take this box，my boy，and do not part with （53） 　　until I see you again．I will reward（回报）you well．"

The boy took the box，and the lady turned （54） 　　to search for something else．Just then many people came rushing between the lady and boy，and they couldn't see each other．

That night，the lady lived in a friend's home outside the city．The next day she looked for the boy everywhere，but she couldn't hear （55） 　　of him．There were some very （56）

　　letters and all her treasures in the box．The lady was very upset （57） 　　losing them．

But on the following night，someone found the boy （58） 　　on the ground with the box at a corner．He had been there for a long time without （59） 　　．The boy was almost dead with hunger，but he never thought of leaving the box．

Of course the lady was going to give the boy some money，but he （60） 　　．The lady trusted him，and he wouldn't let her down．It is the spirit that turns the boy into a hero．